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kmail kmfolderseldlg.cpp Go to the documentation of this file. // kmfolderseldlg.cpp #include <config.h> #include "kmfolderseldlg.h" #include "kmfoldertree.h" #include "kmfolder.h" #include "kmmainwidget.h" #include "globalsettings.h" #include <kdebug.h> #include <klineedit.h> #include <kpopupmenu.h> #include <kiconloader.h> #include <qlayout.h> #include <qtoolbutton.h> namespace KMail { class FolderItem : public KFolderTreeItem { public: FolderItem( KFolderTree * listView ); FolderItem( KFolderTreeItem * listViewItem ); void setFolder( KMFolder * folder ) { mFolder = folder; }; const KMFolder * folder() { return mFolder; }; // Redefine isAlternate() for proper row coloring behavior. // KListViewItem::isAlternate() is not virtual! Therefore, // it is necessary to overload paintCell() below. If it were // made virtual, paintCell() would no longer be necessary. bool isAlternate () { return mAlternate; } // Set the flag which determines if this is an alternate row void setAlternate ( bool alternate ) { mAlternate = alternate; } // Must overload paintCell because neither KListViewItem::isAlternate() // or KListViewItem::backgroundColor() are virtual! virtual void paintCell( QPainter *p, const QColorGroup &cg, int column, int width, int alignment ) { KListView* view = static_cast< KListView* >( listView() ); // Set alternate background to invalid QColor nocolor; QColor alt = view->alternateBackground(); view->setAlternateBackground( nocolor ); // Set the base and text to the appropriate colors QColorGroup *cgroup = (QColorGroup *)&view->viewport()->colorGroup(); QColor base = cgroup->base(); QColor text = cgroup->text(); cgroup->setColor( QColorGroup::Base, isAlternate() ? alt : base ); cgroup->setColor( QColorGroup::Text, isEnabled() ? text : Qt::lightGray ); // Call the parent paint routine KListViewItem::paintCell( p, cg, column, width, alignment ); // Restore the base and alternate background cgroup->setColor( QColorGroup::Base, base ); cgroup->setColor( QColorGroup::Text, text ); view->setAlternateBackground( alt ); } private: KMFolder * mFolder; bool mAlternate; }; //----------------------------------------------------------------------------- FolderItem::FolderItem( KFolderTree * listView ) : KFolderTreeItem( listView ), mFolder( 0 ) {} //----------------------------------------------------------------------------- FolderItem::FolderItem( KFolderTreeItem * listViewItem ) : KFolderTreeItem( listViewItem ), mFolder( 0 ) {} //----------------------------------------------------------------------------- SimpleFolderTree::SimpleFolderTree( QWidget * parent, KMFolderTree * folderTree, const QString & preSelection, bool mustBeReadWrite ) : KFolderTree( parent ), mFolderTree( folderTree ) { setSelectionModeExt( Single ); mFolderColumn = addColumn( i18n( "Folder" ), 0 ); mPathColumn = addColumn( i18n( "Path" ), 0 ); setAllColumnsShowFocus( true ); setAlternateBackground( QColor( 0xf0, 0xf0, 0xf0 ) ); reload( mustBeReadWrite, true, true, preSelection ); readColorConfig(); applyFilter( "" ); connect(this, SIGNAL(collapsed(QListViewItem*)), SLOT(recolorRows())); connect(this, SIGNAL(expanded(QListViewItem*)), SLOT(recolorRows())); connect( this, SIGNAL( contextMenuRequested( QListViewItem*, const QPoint &, int ) ), this, SLOT( slotContextMenuRequested( QListViewItem*, const QPoint & ) ) ); } //----------------------------------------------------------------------------- void SimpleFolderTree::reload( bool mustBeReadWrite, bool showOutbox, bool showImapFolders, const QString& preSelection ) { mLastMustBeReadWrite = mustBeReadWrite; mLastShowOutbox = showOutbox; mLastShowImapFolders = showImapFolders; clear(); FolderItem * lastItem = 0; FolderItem * lastTopItem = 0; FolderItem * selectedItem = 0; int lastDepth = 0; QString selected = preSelection; if ( selected.isEmpty() && folder() ) selected = folder()->idString(); mFilter = ""; QString path; for ( QListViewItemIterator it( mFolderTree ) ; it.current() ; ++it ) { KMFolderTreeItem * fti = static_cast<KMFolderTreeItem *>( it.current() ); // search folders are never shown if ( !fti || fti->protocol() == KFolderTreeItem::Search ) continue; // imap folders? if ( fti->protocol() == KFolderTreeItem::Imap && !showImapFolders ) continue; // the outbox? if ( fti->type() == KFolderTreeItem::Outbox && !showOutbox ) continue; int depth = fti->depth();// - 1; FolderItem * item = 0; if ( depth <= 0 ) { // top level - first top level item or after last existing top level item item = new FolderItem( this ); if ( lastTopItem ) item->moveItem( lastTopItem ); lastTopItem = item; depth = 0; path = ""; } else { if ( depth > lastDepth ) { // next lower level - parent node will get opened item = new FolderItem( lastItem ); lastItem->setOpen(true); } else { path = path.section( '/', 0, -2 - (lastDepth-depth) ); if ( depth == lastDepth ) { // same level - behind previous item item = new FolderItem( static_cast<FolderItem*>(lastItem->parent()) ); item->moveItem( lastItem ); } else if ( depth < lastDepth ) { // above previous level - might be more than one level difference // but highest possibility is top level while ( ( depth <= --lastDepth ) && lastItem->parent() ) { lastItem = static_cast<FolderItem *>( lastItem->parent() ); } if ( lastItem->parent() ) { item = new FolderItem( static_cast<FolderItem*>(lastItem->parent()) ); item->moveItem( lastItem ); } else { // chain somehow broken - what does cause this ??? kdDebug( 5006 ) << "You shouldn't get here: depth=" << depth << "folder name=" << fti->text( 0 ) << endl; item = new FolderItem( this ); lastTopItem = item; } } } } if ( depth > 0 ) path += "/"; path += fti->text( 0 ); item->setText( mFolderColumn, fti->text( 0 ) ); item->setText( mPathColumn, path ); item->setProtocol( fti->protocol() ); item->setType( fti->type() ); // Make items without folders and readonly items unselectable // if we're told so if ( mustBeReadWrite && ( !fti->folder() || fti->folder()->isReadOnly() ) ) { item->setSelectable( false ); } else { if ( fti->folder() ) { item->setFolder( fti->folder() ); if ( selected == item->folder()->idString() ) selectedItem = item; } } lastItem = item; lastDepth = depth; } if ( selectedItem ) { setSelected( selectedItem, true ); ensureItemVisible( selectedItem ); } } //----------------------------------------------------------------------------- const KMFolder * SimpleFolderTree::folder() const { QListViewItem * item = currentItem(); if ( item ) { const KMFolder * folder = static_cast<FolderItem *>( item )->folder(); if( folder ) return folder; } return 0; } //----------------------------------------------------------------------------- void SimpleFolderTree::setFolder( KMFolder *folder ) { for ( QListViewItemIterator it( this ) ; it.current() ; ++it ) { const KMFolder *fld = static_cast<FolderItem *>( it.current() )->folder(); if ( fld == folder ) { setSelected( it.current(), true ); ensureItemVisible( it.current() ); } } } //----------------------------------------------------------------------------- void SimpleFolderTree::setFolder( const QString& idString ) { setFolder( kmkernel->findFolderById( idString ) ); } //----------------------------------------------------------------------------- void SimpleFolderTree::addChildFolder() { const KMFolder *fld = folder(); if ( fld ) { mFolderTree->addChildFolder( (KMFolder *) fld, parentWidget() ); reload( mLastMustBeReadWrite, mLastShowOutbox, mLastShowImapFolders ); setFolder( (KMFolder *) fld ); } } //----------------------------------------------------------------------------- void SimpleFolderTree::slotContextMenuRequested( QListViewItem *lvi, const QPoint &p ) { if (!lvi) return; setCurrentItem( lvi ); setSelected( lvi, TRUE ); const KMFolder * folder = static_cast<FolderItem *>( lvi )->folder(); if ( !folder || folder->noContent() || folder->noChildren() ) return; KPopupMenu *folderMenu = new KPopupMenu; folderMenu->insertTitle( folder->label() ); folderMenu->insertSeparator(); folderMenu->insertItem(SmallIconSet("folder_new"), i18n("&New Subfolder..."), this, SLOT(addChildFolder())); kmkernel->setContextMenuShown( true ); folderMenu->exec (p, 0); kmkernel->setContextMenuShown( false ); delete folderMenu; folderMenu = 0; } //----------------------------------------------------------------------------- void SimpleFolderTree::readColorConfig (void) { QColor c1=QColor(kapp->palette().active().text()); QColor c2=QColor(kapp->palette().active().base()); mPaintInfo.colFore = c1; mPaintInfo.colBack = c2; QPalette newPal = kapp->palette(); newPal.setColor( QColorGroup::Base, mPaintInfo.colBack ); newPal.setColor( QColorGroup::Text, mPaintInfo.colFore ); setPalette( newPal ); } //----------------------------------------------------------------------------- static int recurseFilter( QListViewItem * item, const QString& filter, int column ) { if ( item == 0 ) return 0; QListViewItem * child; child = item->firstChild(); int enabled = 0; while ( child ) { enabled += recurseFilter( child, filter, column ); child = child->nextSibling(); } if ( filter.length() == 0 || item->text( column ).find( filter, 0, false ) >= 0 ) { item->setVisible( true ); ++enabled; } else { item->setVisible( !!enabled ); item->setEnabled( false ); } return enabled; } void SimpleFolderTree::recolorRows() { // Iterate through the list to set the alternate row flags. int alt = 0; QListViewItemIterator it ( this ); while ( it.current() ) { FolderItem * item = static_cast< FolderItem* >( it.current() ); if ( item->isVisible() ) { bool visible = true; QListViewItem * parent = item->parent(); while ( parent ) { if (!parent->isOpen()) { visible = false; break; } parent = parent->parent(); } if ( visible ) { item->setAlternate( alt ); alt = !alt; } } ++it; } } void SimpleFolderTree::applyFilter( const QString& filter ) { // Reset all items to visible, enabled, and open QListViewItemIterator clean( this ); while ( clean.current() ) { QListViewItem * item = clean.current(); item->setEnabled( true ); item->setVisible( true ); item->setOpen( true ); ++clean; } mFilter = filter; if ( filter.isEmpty() ) { setColumnText( mPathColumn, i18n("Path") ); return; } // Set the visibility and enabled status of each list item. // The recursive algorithm is necessary because visiblity // changes are automatically applied to child nodes by Qt. QListViewItemIterator it( this ); while ( it.current() ) { QListViewItem * item = it.current(); if ( item->depth() <= 0 ) recurseFilter( item, filter, mPathColumn ); ++it; } // Recolor the rows appropriately recolorRows(); // Iterate through the list to find the first selectable item QListViewItemIterator first ( this ); while ( first.current() ) { FolderItem * item = static_cast< FolderItem* >( first.current() ); if ( item->isVisible() && item->isSelectable() ) { setSelected( item, true ); ensureItemVisible( item ); break; } ++first; } // Display and save the current filter if ( filter.length() > 0 ) setColumnText( mPathColumn, i18n("Path") + " ( " + filter + " )" ); else setColumnText( mPathColumn, i18n("Path") ); mFilter = filter; } //----------------------------------------------------------------------------- void SimpleFolderTree::keyPressEvent( QKeyEvent *e ) { int ch = e->ascii(); if ( ch >= 32 && ch <= 126 ) applyFilter( mFilter + ch ); else if ( ch == 8 || ch == 127 ) { if ( mFilter.length() > 0 ) { mFilter.truncate( mFilter.length()-1 ); applyFilter( mFilter ); } } else KListView::keyPressEvent( e ); } //----------------------------------------------------------------------------- KMFolderSelDlg::KMFolderSelDlg( KMMainWidget * parent, const QString& caption, bool mustBeReadWrite, bool useGlobalSettings ) : KDialogBase( parent, "folder dialog", true, caption, Ok|Cancel|User1, Ok, true, KGuiItem(i18n("&New Subfolder..."), "folder_new", i18n("Create a new subfolder under the currently selected folder")) ), // mainwin as parent, modal mUseGlobalSettings( useGlobalSettings ) { KMFolderTree * ft = parent->folderTree(); assert( ft ); QString preSelection = mUseGlobalSettings ? GlobalSettings::self()->lastSelectedFolder() : QString::null; mTreeView = new KMail::SimpleFolderTree( makeVBoxMainWidget(), ft, preSelection, mustBeReadWrite ); init(); } //---------------------------------------------------------------------------- KMFolderSelDlg::KMFolderSelDlg( QWidget * parent, KMFolderTree * tree, const QString& caption, bool mustBeReadWrite, bool useGlobalSettings ) : KDialogBase( parent, "folder dialog", true, caption, Ok|Cancel|User1, Ok, true, KGuiItem(i18n("&New Subfolder..."), "folder_new", i18n("Create a new subfolder under the currently selected folder")) ), // mainwin as parent, modal mUseGlobalSettings( useGlobalSettings ) { QString preSelection = mUseGlobalSettings ? GlobalSettings::self()->lastSelectedFolder() : QString::null; mTreeView = new KMail::SimpleFolderTree( makeVBoxMainWidget(), tree, preSelection, mustBeReadWrite ); init(); } //----------------------------------------------------------------------------- void KMFolderSelDlg::init() { mTreeView->setFocus(); connect( mTreeView, SIGNAL( doubleClicked( QListViewItem*, const QPoint&, int ) ), this, SLOT( slotSelect() ) ); connect( mTreeView, SIGNAL( selectionChanged() ), this, SLOT( slotUpdateBtnStatus() ) ); readConfig(); } //----------------------------------------------------------------------------- KMFolderSelDlg::~KMFolderSelDlg() { const KMFolder * cur = folder(); if ( cur && mUseGlobalSettings ) { GlobalSettings::self()->setLastSelectedFolder( cur->idString() ); } writeConfig(); } //----------------------------------------------------------------------------- KMFolder * KMFolderSelDlg::folder( void ) { return ( KMFolder * ) mTreeView->folder(); } //----------------------------------------------------------------------------- void KMFolderSelDlg::setFolder( KMFolder* folder ) { mTreeView->setFolder( folder ); } //----------------------------------------------------------------------------- void KMFolderSelDlg::slotSelect() { accept(); } //----------------------------------------------------------------------------- void KMFolderSelDlg::slotUser1() { mTreeView->addChildFolder(); } //----------------------------------------------------------------------------- void KMFolderSelDlg::slotUpdateBtnStatus() { enableButton( User1, folder() && ( !folder()->noContent() && !folder()->noChildren() ) ); } //----------------------------------------------------------------------------- void KMFolderSelDlg::setFlags( bool mustBeReadWrite, bool showOutbox, bool showImapFolders ) { mTreeView->reload( mustBeReadWrite, showOutbox, showImapFolders ); } void KMFolderSelDlg::readConfig() { KConfig *config = KGlobal::config(); config->setGroup( "FolderSelectionDialog" ); QSize size = config->readSizeEntry( "Size" ); if ( !size.isEmpty() ) resize( size ); else resize( 500, 300 ); QValueList<int> widths = config->readIntListEntry( "ColumnWidths" ); if ( !widths.isEmpty() ) { mTreeView->setColumnWidth(mTreeView->mFolderColumn, widths[0]); mTreeView->setColumnWidth(mTreeView->mPathColumn, widths[1]); } else { int colWidth = width() / 2; mTreeView->setColumnWidth(mTreeView->mFolderColumn, colWidth); mTreeView->setColumnWidth(mTreeView->mPathColumn, colWidth); } } void KMFolderSelDlg::writeConfig() { KConfig *config = KGlobal::config(); config->setGroup( "FolderSelectionDialog" ); config->writeEntry( "Size", size() ); QValueList<int> widths; widths.push_back(mTreeView->columnWidth(mTreeView->mFolderColumn)); widths.push_back(mTreeView->columnWidth(mTreeView->mPathColumn)); config->writeEntry( "ColumnWidths", widths ); } } // namespace KMail #include "kmfolderseldlg.moc" kmail Skip menu "kmail" Main Page Namespace List Class Hierarchy Alphabetical List Class List File List Namespace Members Class Members Related Pages API Reference Skip menu "API Reference"   doc kioslaves kmail konsolekalendar kpilot libemailfunctions libkcal Generated for API Reference by doxygen 1.5.9 This website is maintained by Adriaan de Groot and Allen Winter. 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